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authorDaeseok Youn <daeseok.youn@gmail.com>2014-03-26 12:01:48 +0900
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-04-15 14:46:43 -0700
commit1a52489318c16aaff71059b3892a1a2f3bb8ecec (patch)
tree1c5162477fe64b84cb30963c017ce318702ae7b1 /drivers/staging
parentd06fb58cb63c66ddcc2ac94edf99f505f4919da0 (diff)
staging: vme: fix memory leak in vme_user_probe()
If vme_master_request() returns NULL when it failed, it need to free buffers for master. And also removes unreachable code in vme_user_probe(). Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
-rw-r--r--drivers/staging/vme/devices/vme_user.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/staging/vme/devices/vme_user.c b/drivers/staging/vme/devices/vme_user.c
index 79279271567..ffb4eeefddd 100644
--- a/drivers/staging/vme/devices/vme_user.c
+++ b/drivers/staging/vme/devices/vme_user.c
@@ -776,7 +776,8 @@ static int vme_user_probe(struct vme_dev *vdev)
image[i].kern_buf = kmalloc(image[i].size_buf, GFP_KERNEL);
if (image[i].kern_buf == NULL) {
err = -ENOMEM;
- goto err_master_buf;
+ vme_master_free(image[i].resource);
+ goto err_master;
}
}
@@ -819,8 +820,6 @@ static int vme_user_probe(struct vme_dev *vdev)
return 0;
- /* Ensure counter set correcty to destroy all sysfs devices */
- i = VME_DEVS;
err_sysfs:
while (i > 0) {
i--;
@@ -830,12 +829,10 @@ err_sysfs:
/* Ensure counter set correcty to unalloc all master windows */
i = MASTER_MAX + 1;
-err_master_buf:
- for (i = MASTER_MINOR; i < (MASTER_MAX + 1); i++)
- kfree(image[i].kern_buf);
err_master:
while (i > MASTER_MINOR) {
i--;
+ kfree(image[i].kern_buf);
vme_master_free(image[i].resource);
}